Help! what motion is occuring when the slope of a distance vs. time graph is zero

Help! plz what motion is occuring when the slope of a distance vs. time graph is zero

1. The problem statement, all variables and given/known data
slope of a distance vs. time graps is zero and constant and changeing
slope of a velocity vs. time graph is zero and constant
what types of distances are there?2. Relevant equations

Re: Help! plz what motion is occuring when the slope of a distance vs. time graph is

Well I assume when you learned early algebra, you learned that slope = change of y / change of x. Given that, what is the slope of a distance vs time graph equivalent to? (and what about velocity vs time?)